1688338034 has 8 divisors (see below), whose sum is σ = 2681478108. Its totient is φ = 794512000.

The previous prime is 1688338031. The next prime is 1688338049. The reversal of 1688338034 is 4308338861.

It can be written as a sum of positive squares in 2 ways, for example, as 1656245809 + 32092225 = 40697^2 + 5665^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1688338031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24828467 + ... + 24828534.

Almost surely, 2^1688338034 is an apocalyptic number.

1688338034 is a deficient number, since it is larger than the sum of its proper divisors (993140074).

1688338034 is a wasteful number, since it uses less digits than its factorization.

1688338034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49657020.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 1688338034 is about 41089.3907718282. The cubic root of 1688338034 is about 1190.7478372576.

The spelling of 1688338034 in words is "one billion, six hundred eighty-eight million, three hundred thirty-eight thousand, thirty-four".